Tag Archives: Michael Ye (BD4AAQ)

Michael Reviews the Choyong WT2 Multifunction Handheld Radio

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Many thanks to SWLing Post contributor, Michael (BD4AAQ) who shares the following guest post:

WT2 Mini Handheld With Everything Radio

by Michael Ye (BD4AAQ)

What Exactly Is the WT2?

No exaggeration. The WT2, a recent radio developed by Choyong, includes nearly every type of radio imaginable: ham radio, traditional shortwave and medium-wave radio, internet radio and, last but not least, push-to-talk over cellular radio!

The radio is powered by the TEF6686 chip, which has an excellent track record in high-performance radios. This suggests the WT2’s performance will surpass that of the highly regarded LC90. Packing so many features into a handheld device would have been unimaginable a decade ago without state-of-the-art technology and the internet.

I’m fortunate to be among the first to get my hands on the WT2. I’d seen its picture before but was still pleasantly surprised when I unboxed the real thing and saw its actual size. The picture below shows my iPhone 12 Pro next to it for comparison. At this small size, it fits sleekly into one’s pocket. I’ve always wanted a radio to listen to while walking or jogging. Now, I have one.

Continued Success of Choyong Radio Receivers

As a young and innovative technology company, Choyong was the first to launch a radio receiver combining traditional radio with internet radio: the LC90. The LC90 has been a resounding success. An improved version, the LC95, has been launched domestically in China. Rumours suggest that the LC100 is in development to build on the success of the LC90 and LC95.

Now, powered by the TEF6686 chip, the WT2 delivers even greater sensitivity and selectivity. Its unique combination of multiple radio types in a single, compact handheld form factor makes it highly competitive. In fact, I’m unaware of any other radio that packs so many features into such a sleek design. The young team at Choyong boldly leads the way, fearlessly testing the market waters.

Internet Radio

Choyong has confirmed that the WT2, like the LC90, will be available in both export and Chinese versions.

“In terms of the stations that can be heard, the internet radio exhibits significant differences from that of the Chinese version. The Chinese version is designed to exclusively feature Chinese language stations (and a few English language stations) in China. If we liken the Chinese internet radio to a closed system such as iOS, it is stable, reliable but restrictive. In contrast, the export version could be compared to Android, offering more open, inclusive and customisable user experience.

On the export version, the MENU button provides access to the main menu, which begins with the six continents (excluding Antarctica) and allows users to navigate to the desired country and then select a specific station.”

The WT2 supports Wi-Fi for indoor use and comes with a built-in eSIM for 4G cellular connectivity. This allows you to easily carry the WT2 in hand or slip it into a pocket, making it ideal for listening to internet radio while walking or jogging.

Traditional Radio

Shortwave performance is impressive, especially considering the small antenna. Surprisingly, the 13.6cm walkie-talkie antenna extends to a full 48cm. This significantly improves shortwave reception, as well as FM reception. Unfortunately, the WT2 lacks SSB demodulation on shortwave, which is a bit disappointing.

Medium-wave reception is poor with the receiver’s whip antenna. Indeed, what can you expect from a whip antenna without a ferrite bar? However, I experimented by connecting a longer wire to the antenna’s SMA connector, and MW reception improved remarkably, much to my surprise.

Arguably, the WT2’s FM reception is outstanding. I compared this compact radio with various others, large and small, old and new, and the WT2’s FM performance is simply the best. Its sensitivity generally surpasses that of competing models, allowing me to receive stations that were inaudible on others. A prime example is Shanghai’s Classic Music Channel on 94.7 MHz, which many report as having medium to weak signal strength. Yet, the WT2 pulled it in with exceptional clarity, free of the occasional hissing I noticed on other radios.

Ham Radio and Walkie-Talkie

Amateur radio operators will appreciate the WT2, as it covers the standard Ultra High Frequency (UHF) amateur band, with a maximum transmitting power of 2 watts. It also includes the FRS/GMRS bands (not for use in China). The Very High Frequency (VHF) band is expected in future models.

Caution: When transmitting with the WT2, retract the extended antenna to avoid damaging the device.   

Although the WT2 is a compact handheld, it includes features found in other walkie-talkies, such as squelch, tone squelch and scanning, all packed into this sleek device.

PoC Talking

Push-to-talk over cellular (PoC) is not new, but it has gained popularity in recent years with the rise of 4G and 5G mobile communications.

A decade ago, taxi drivers in Shanghai used traditional walkie-talkies to communicate within their network for vehicle dispatch or casual rag-chewing. Some were radio amateurs, but I suspect others were not and were thus operating illegally without a proper license. Years later, most of them, if not all, had switched to PoC, a modern method offering legal communication with crystal-clear audio and virtually no distance limitations.

I gave it a try, and of all the people who could have answered, it was BA8BM, a fellow ham in Sichuan, China. Needless to say, the audio was excellent!

With the WT2, users can create as many groups as they like, each supporting up to 10,000 members!

Other Features

The WT2 features a TF card slot that accepts cards with a maximum capacity of 32 GB. This storage can be used for playing music or serving as an external data drive.

The Bluetooth connection supports internet radio but not traditional radio. I successfully connected my AirPods and Bose headphones. They work well for internet radio but by design not for traditional radio.

The WT2 is equipped with a 2,500 mAh rechargeable lithium battery. Unlike the LC90, the battery is not user-replaceable. For a lightweight radio like the WT2, I’d say 2,500 mAh is sufficient for most daily use.

Key Takeaways 

The WT2 is a remarkable compact radio that combines traditional and modern radio technologies. It features a 240×283 mini screen with a vibrant, high-quality colour display that’s truly impressive. The extendable antenna enhances shortwave and FM reception. The audio is crisp and clear but slightly soft. Bluetooth supports internet radio but does not work with traditional radio.

With its four-in-one radio capabilities, users can communicate or listen however they prefer. Want to make a CQ call with a fellow ham? You have amateur radio. Craving crystal-clear conversation? PoC is available. Feel like tuning into nostalgic, sometimes noisy broadcasts over the airwaves? Shortwave, medium-wave, and FM are ready. Eager to explore internet-based radio? There’s a wealth of stations from across the country or around the world.

The WT2 is much smaller (though slightly thicker) than an iPhone and can be used handheld or, via Bluetooth, slipped into a pocket for walking or jogging.

The WT2 has a voice assistant to help you navigate its internet radio and other features with ease.

A versatile little gadget for radio hams, shortwave listeners (despite lacking SSB), and broadcast listeners alike!

The Giant Antennas of Shanghai Coast Radio Station (XSG)

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Many thanks to SWLing Post contributor, Michael (BD4AAQ) who shares the following guest post:

Shanghai Coast Radio Station (XSG):

Those Giant Antennas!

The 17th of May is the World Telecommunication Day. It is also the open day of Shanghai Coast Radio Station. On this day, a group of amateur radio operators were invited to visit the transmission facility, a huge antenna farm, of the radio station, located on Chongming Island of Shanghai, the third largest island in China.

Google Satellite Photo

The transmission site of Shanghai Coast Radio Station is as shown below in the map of Chongming Island. Other sites of the station include a central control/receive station in Zhangjiang, a receive station on Hengsha Island and some VHF base stations in a number of other locations. All these locations in Shanghai, linked via cable and microwave connection, form Shanghai Coast Radio Station, also known by its callsign as XSG.

(Google map of transmitter location for Shanghai Coast Radio Station. Note the antenna farm on the left.)

Presentation by Station Officials

Fifteen or so local hams were cordially invited to have a tour of the station. The radio enthusiasts were greeted by station representatives, including Mr Wan, Mr Wang, Mr Zhou and Mr Niu (BH4BFS), who also gave them an overview of the coast radio station’s history and development. 

Antenna Farm

Mr Wang then showed the visitors around the antenna farm. Many of us, myself included, saw and were deeply impressed with these huge antennas for the first time! Indeed, many professional radio facilities and operators of similar coast radio stations work quietly around the globe and around the clock to provide for distress, navigational, business and personal communications needs of ships!

[Click on images to enlarge.]

The antennas cover a wide range of frequencies, from MF, HF, to VHF and UHF. Many of them are, however, shortwave (HF) antennas.

Transmitter Room

(I placed a Tecsun PL-330 radio near the transmitter at 12380.1 kHz (weather fax). The signal strength, in dbu, is 96. Given the margin of error of the receiver’s display, that’s probably as high as it could go.)

Shanghai Coast Radio Station (XSG) operates on a wide range of frequencies. Its HF frequencies include 4207.5, 4209.5, 4215.5, 4369, 6312, 6326, 6501, 8414.5, 8425.5, 8770, 8806, 12577, 12637.5, 13176, 13188, 16804.5, 16898.5 and 17407 kHz. Of particular note is that they have kept a CW frequency of 8665 kHz for general broadcast of information on a 24 hour basis.

The station’s VHF phone service covers 25 nautical miles of the coast. Its MF NAVTEX covers 250 nautical miles of the coast. And its HF phone and weather fax and HF NAVTEX extend to 1,000 nautical miles.

History and Current Status

Founded in 1905, Shanghai Coast Radio Station has been around 119 years. The XSG callsign has since remained in use.

China has in place DSC watch and NAVTEX broadcast in coast stations (including XSG) in accordance with GMDSS requirements. Among services provided by XSG are Radio Telephony (RT), Narrow Band Direct Printing (NBDP), “Voice of the East China Sea Coast” (voice broadcast on 161.600 MHz and 8806 kHz) and marine radio weather fax. The station is without a doubt one of the largest coast radio stations in the Asia Pacific region and plays an essential role in the region’s marine safety and communications.

QSL Cards

Shanghai Coast Radio Station issues QSL cards in Chinese and English, traditionally in paper form and nowadays electronically.

(This is an electronic QSL card issued to a Shanghai listener, who received their signal over the radio. Examples of QSL cards in English can be found online.)

Show Room

[Click on images to enlarge.]

Ham Station

Mr Niu of Shanghai Coast Radio Station, one of the tour’s organisers, is a ham himself with callsign BH4BFS. According to him, there are intentions to start a ham radio station within the establishment, possibly incorporating the letters XSG. However, there is much work to be done to make it happen. An amateur radio station with overlapping callsigns with a professional one would be really charming.

Michael compares the Choyong LC90 Export and Chinese Versions

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Many thanks to SWLing Post contributor, Michael Ye (BD4AAQ), for the following guest post:

Twins, Yet Each One Unique – A Comparison of the Worldwide Version of LC90 with its Chinese Counterpart

by Michael Ye (BD4AAQ)

The export version of the LC90 is now available in the market [affiliate link]. Previously, we examined the Chinese version, which has been in the China market since early 2023. Instead of a review of the export version, this article will focus on the similarities and differences between the two LC90 versions – the version that has just started to be distributed outside China and the version that is already being sold in China. A link to my previous article can be found by clicking here.

One thing to note is the name of the manufacturer. In my previous review, I used Chaoyuan, the “pinyin” phonetic of the Chinese characters of the name of the company. As it turned out, the westernised spelling that the company uses is Choyong, or Choyong Electronics.

The LC90, a hybrid radio that combines the Internet radio with the traditional radio, is a bold move and seems to be well-received by shortwave listeners and beyond. Let’s explore what these two versions of the same model have to offer.

Appearance

The two versions of the radio look the same in appearance. However, upon closer inspection, you will notice the language on the buttons differs. The export version has all the buttons labeled in English, while the buttons of the Chinese version have a mixture of Chinese and English.

Traditional Radio

I do not find differences between the FM, MW and SW features of the two versions. Both versions have the specifications as follows: FM: 64-108 MHz, MW: 522-1710 kHz and SW: 2.3-26.10 MHz. Shortwave performance remains excellent. However, for the export version, you could toggle the MW tuning step between 9 kHz and 10 kHz, and the FM tuning step as well, through the setup (gearbox) button, but it does not seem possible to change any tuning step on the Chinese version – this seems to be a matter of software upgrade and so is not really an issue.

On both versions, press MW again to enter LW (153-279 kHz).

Internet Radio

In terms of the stations that can be heard, the Internet radio exhibits significant differences from that of the Chinese version. The Chinese version is designed to exclusively feature Chinese language stations (and a few English language stations) in China. If we were to liken the Chinese Internet radio to a closed system such as iOS, it would be stable, reliable but restrictive. In contrast, the export version could be compared to Android, offering more open, inclusive and customisable user experience.

On the export version, the MENU button provides access to the main menu, which begins with the six continents (excluding Antarctica) and allows users to navigate to the desired country and then select a specific station. Additionally, shortcut keys are available for direct access to MUSIC, PODCAST, NEWS, TAG and LANG (languages).

TAG and LANG for Ai1 and Ai2 Buttons

On the Chinese version, two buttons, Ai1 and Ai2, serve as voice assistants. Activate and speak to them and the radio directly plays the content (Ai1) or displays search results for users to choose from (Ai2). They come in handy when you look for a specific item, for instance the title of a song or a talk show. On the export version, however, the voice assistants have been removed and replaced with shortcuts TAG and LANG.

Add Your Own Stations

The Chinese version has about 1000 Chinese Internet stations built-in. On the worldwide version of the radio, there is a vast number of Internet stations available, literally tens of thousands of them, in different languages, and from different corners of the world. The number is updated from time to time. And that is not all. A really cool feature is the ability to add stations of your choice and it is easy to do with the help of a mobile phone. Unfortunately, this feature for adding your own stations is not available in the Chinese version.

Nano SIM card

The Chinese version comes with a built-in nano SIM card that is prepaid and provides Internet data. To continue using it, simply add credit to the card. In contrast, the export version does not include a prepaid, data-enabled SIM card for the user. Still, the user can use a WI-FI connection or purchase a 4G nano SIM card to insert into the device’s slot.

Some Features Not Discussed Previously

Both versions have the following features:

  • Keyboard backlight;
  • IPS LCD with backlight;
  • Type-C charging cable supplied;
  • TF card supported (to store and play your own music); and
  • Bluetooth for the radio to serve as a Bluetooth speaker.

The integration of high-tech gadgets and advanced devices into our daily routines has become indispensable in this age of the Internet. It is essential to adapt to the ever-evolving nature of the times.

Bottom Line

The Choyong LC90 is an exceptional radio that combines traditional radio features with modern Internet capabilities. It is available in both domestic and worldwide versions. The revolutionary design of the LC90 allows for excellent overall performance in both over-the-air radio reception and online streaming/podcasting.

There is no difference in traditional radio reception and performance between the domestic and worldwide versions of the LC90. However, the Internet features are drastically different, as the worldwide version serves audiences around the world, while the Chinese version is dedicated to the audience in China.

Overall, the Choyong LC90 offers a unique combination of traditional radio and modern Internet capabilities, making it a versatile and high-performing device for radio enthusiasts and music lovers.

Wish List

Is SSB decoding necessary? Well, it depends. The radio primarily caters to broadcast listeners, but both hardcore amateur radio hobbyists and general listeners may find it appealing. While adding SSB decoding can enhance its functionality, it will increase costs and may require additional space, considering it already combines two radios in one device.

There are two switches, the red button (upper right) and the volume/sleep knob (lower right side). Is it really necessary to have both?

On the export version, the “network error” message may occasionally pop up, and the radio would become quiet until human intervention steps in. Is it feasible for the radio to automatically resume play after the network error is cleared?

For some users, the antenna jack is a bit too close to the tuning knob. In most situations, this proximity does not impact the radio’s operation. However, if you need to connect an antenna using a connector, you may encounter difficulty or even find it impossible to plug it in.

Click here to check out the Choyong LC90 (export version) on Amazon.com.

Note that this Amazon link supports the SWLing Post at no cost to you. Thank you!

Guest Post: A review of the Chaoyuan LC90 Hybrid Shortwave/4G/Internet Radio

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Many thanks to SWLing Post contributor, Michael Ye (BD4AAQ), for the following guest post:

The LC90, a Great Radio Spanning Two Worlds

by Michael Ye (BD4AAQ)

It is an awkward era for radio receivers. Although technology becomes more and more advanced and increasingly sophisticated radios are made, there are fewer and fewer stations to listen to. But hardcore radio hobbyists, mostly hams and shortwave listeners, would not give up the hobby. They continue to look for and enjoy stations among noises in the airwaves. Although Internet radios have been around for a long time, I never thought seriously about them. Perhaps I was stubborn, but in my mind, radios were noises and noises were radios and it’s the stations among the noises that I enjoyed. Receivers without noises were hardly real radios.

Until I got my first full band radio with Internet features. The LC90 was a pleasant surprise, completely changing the way I look at radio receivers. The LC90, or “full band smart Internet radio”, is my first shortwave radio AND Internet radio in one. There may be other radios with Internet features, but I have heard of few receivers that integrate the traditional radio (shortwave in particular) and the Internet. The LC90 was launched in China in early 2023, and quickly became popular among hobbyists thanks to the unique combination. News has been confirmed that the overseas version of the LC90 will be launched later this year. It provides more options for users at a time when shortwave broadcasters continue to shut down transmitters and bid final farewell.

Chaoyuan Company

The manufacturer of the LC90 is Chaoyuan, an electronics company based in Shenzhen, China, known for mobile phone design and Hi-Fi equipment. In recent years they started to design and make radios. And they are serious about the business, too.

The LC90 full band smart Internet radio

The Radio at a Glance

The radio is of regular size. A computer mouse is placed in the picture above, so you have an idea of not only the radio’s looks but also its size. The exact dimensions are 200x122x40mm. Its weight is 640 grams. The radio has a built in 4G SIM card, with 3G prepaid data. You have to add credit to the card in time by scanning a QR code on the screen before the built-in SIM card expires. You can also use your own SIM card by inserting it to a slot at the bottom of the radio. And of course, you could use Wi-Fi at home.

Although the radio is a combination of the traditional radio and the Internet, it is very ingeniously designed and does not put off the user with too many bells and whistles – you could press the tuning button to change the shortwave band and the fine tuning button to change the band width. The tuning button also serves as an “enter” key. These are clever designs that effectively save extra buttons. I have not seen a similar design in other radios.

For those who do not read Chinese, the upper five buttons are, roughly, “Configure”, “Timer”, “Setup”, “History” and “Favorites”. The four buttons on the left: “Confirm”, “Stations”, “News” and “Menu”. The four buttons on the right: “Back”, “Sequence”, “Rewind” and “Fast Forward”. The button with a globe says “Internet”.

The radio has excellent audio quality, rich bass, with a well-balanced frequency response. It is powered by two 18650 rechargeable lithium batteries. The radio has no back stand.

Traditional Radio

All three modes (or bands) are available, FM, MW and SW, as shown in the three buttons on the upper right (to get LW just press MW again). The FM band covers 64-108MHz, which includes Japan’s FM band. During the FMDX season you could have stations from Japan and other countries to explore. The SW band covers 2300-26100KHz, continuous, almost the entire shortwave band, more than enough for broadcast listening. The antenna jack works for all three modes (or bands).

Excellent Shortwave Performance

As a shortwave listener of many years, I am most interested in the radio’s performance in shortwave reception. Well, it is indeed very good in terms of sensitivity, selectivity and audio quality, with no compromise although the radio has an Internet section which requires additional space and resources.

When you use the radio indoor, reception could be poor and you can insert an external antenna to the antenna jack. Unfortunately, I cannot connect my AOR LA400 loop antenna to it as the antenna jack is too close to the tuning knob and so there is not sufficient space for the plug (see picture). Generally, a 3.5mm plug with a wire should work well if you extend the wire outside.

The external antenna jack

If there is a disappointment, its shortwave reception does not decode SSB signals. If the user is not a ham radio hobbyist, SSB reception may not be really needed anyway and the buttons, circuits and space can be saved accordingly.

Fair FM Reception

FM reception is good, but there is no obvious improvement of reception when an external plug is inserted in the antenna jack.

Mediocre MW Work

Reception on the lower bands, e.g., the medium wave band, is always a challenge in cities. It is not surprising that medium wave performance of the LC90 is mediocre at best. I don’t do much MW DXing but nowadays for each MW frequency there is almost always an FM frequency. Let’s face it – we should perhaps forget about medium wave reception in cities where there is excessive low band EMI.

However, if you go outdoor with the radio, medium wave reception can still be a lot of fun. And, contrary to FM reception, an external antenna significantly improves its performance!

Internet Radio

Admit it or not, the best days of traditional radio are gone, and while we continue to have fun on the old time radio, we should not hesitate to embrace newer technologies such as the Internet. By launching the LC90 and combining the two, Chaoyuan has made a significant move.

The Internet radio is an integrator of many online stations on the Internet, and more. It is completely different from the traditional radio which receives radio signals transmitted on air. The Internet radio, which relies on the Internet, provides much better audio quality, no noise, customizable and replay-able.

If you want to kill time and look for signals from noises, turn to shortwave and enjoy DXing. If you feel like listening to solid content or enjoying noise-free music, the Internet radio is there for you. This Internet radio integrates major web stations in China and on that basis the user can further select and configure their own favorites. Among apps that are built-in is Ximalaya FM, the leading audio platform in China. Due to requirements of policies and regulations in China, the user does not have much discretion to include foreign stations in the radio. However, Chaoyuan has indicated that they are working in an effort to secure authorizations from Spotify, Alexa and Pandora which they hope could be incorporated in the overseas version of the LC90. The future overseas version is expected to give the user more discretion to include online stations of their own choice.

A closer look at the display of the Internet Radio

Two buttons, Ai1 and Ai2, are voice assistants. Activate and speak to them and the radio directly plays the content (Ai1) or displays their findings for you to choose from (Ai2).

Finally, this is a radio with the most accurate time. There is no need to set the time for it, as it is based on the Internet.

Michael pairs the Tecsun PL-990 and the AOR LA400

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Many thanks to SWLing Post contributor, Michael Ye (BD4AAQ), for the following guest post:

In the Loop: PL-990 and LA400, a Perfect Match

by Michael Ye (BD4AAQ)

PL-990 and LA400

I have been a happy owner of Tecsun’s PL-880 world band receivers for years. In fact I have two PL-880 radios, one sitting at home and the other staying in my car. So, after Tecsun introduced the new model PL-990 in late 2020, it didn’t take me long to decide to purchase one. In this article I will discuss the Tecsun PL-990 receiver working with loop antennas, while referencing some relevant features of the PL-880.

Overall performance of the PL-990

Merely by its model number, it is easy to regard the PL-990 as an upgraded version of the already highly reputable PL-880. As expected, the PL-990 can very much be regarded as a combination of all the existing fine radio features of the PL-880 AND the music and bluetooth additions, with a number of improvements for instance in shortwave and medium wave performance. The ergonomic design of the PL-990 looks and feels different from that of the PL-880 in a number of ways. Although I may prefer the the more slim and elegant appearance of the PL-880, the PL-990 gives a more rugged and durable feeling, among other improvements over the older PL-880.

Working with loop antennas

The PL-990 and the PL-880 side by side

Living on the twelfth floor of a condominium in the crowded Shanghai, I have often been fascinated with loop antennas. As a licensed amateur operator, I have used the MFJ-1786X and have been impressed with its performance. On reception, I also find loop antennas appealing, as they are able to pull in weak signals while noticeably reducing electro-magnetic interference rampant in the urban environment. I have an unbranded shortwave loop antenna which I believe is based on and performs similarly with the AOR LA320. Despite its excellent performance, it is only good for the 5MHz – 15MHz shortwave range. So a few years ago when AOR launched the new LA400 wideband loop antenna, I bought one, which I often pair up with the PL-880 and other radios for shortwave listening, and get satisfactory results!

Antenna Switch on the PL-990

Now, back to the PL-990. When I first tried the PL-990 with the LA400, the results were generally good but not as good as as compared with using the same LA400 on my PL-880. This puzzled me for a day or so until I realised that the PL-990 actually has an antenna switch which the PL-880 does not have. The switch is used to toggle between an internal antenna (i.e. the built-in ferrite bar/telescopic antenna) and an external one (e.g. the AOR LA400). So a new PL-990 user who has often operated the PL-880 when first using the PL-990 could easily ignore the switch which should be pushed to “Ext” when plugging in an external antenna. This explains why the PL-990 may suddenly appear less sensitive than expected.

“Ext” antenna input for all bands

Contrary to the PL-880 whose external antenna socket is only good for shortwave signal input, the PL-990’s external antenna socket works with all bands, from long wave to FM. I found this to be an important and very useful change, and a pleasant surprise for my LA400, which covers a wide range of frequencies from long wave to medium wave to FM and up to 500MHz.

Once the LA400 is connected, the correct band selected, and last but not least the antenna switch turned to “Ext”, the PL-990 and the LA400 work like a charm in the indoor setting, remarkably better than the built-in telescopic antenna. With the loop connected, while there is not much to expect on the long wave band because of very few long wave stations remaining in the world, reception improves considerably on all other bands including on the medium wave and FM bands, as is also reflected on the upper right hand display of the signal strength and S/N ratio readings. Needless to say, performance on shortwave is as good as on the PL-880, if not better (again, remember to push the antenna switch to “Ext” when using it on the PL-990). Using the AOR loop on the PL-990 for FM reception is somewhat different as there does not seem to be a noticeable tuning point. Simply select the “Others” band, which appears to be broad enough for fair FM reception.

Tecsun AN-200 loop antenna

It is worth mentioning that I have a Tecsun AN-200 tunable medium wave antenna, which I have not used often. As its name suggests, it is for medium wave reception only. I tried it on the PL-990. Works great.

The AN-200 and the PL-990

It is hard to tell which one, the PL-LA400 or the AN-200, fares better, as the signal strength and S/M readings are quite close. They both perform better than the radio’s internal ferrite bar antenna to varying degrees, by improving the signal strength or the S/N ratio or both. The Tecsun loop is a passive antenna, meaning no power is required, making it easy to be used “wirelessly”, by simply placing the loop close to the radio, without having to be connected to the radio via a cable.

Chocolate, our house cat, tries to enhance reception with her tail

It should be noted that in the “wireless” mode of the AN-200 the antenna switch on the PL-990 should remain at “Int” so as for its built-in ferrite bar and the loop to couple with each other.